JP2008106932A - Waterproof structure of case - Google Patents

Waterproof structure of case Download PDF

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Publication number
JP2008106932A
JP2008106932A JP2007188606A JP2007188606A JP2008106932A JP 2008106932 A JP2008106932 A JP 2008106932A JP 2007188606 A JP2007188606 A JP 2007188606A JP 2007188606 A JP2007188606 A JP 2007188606A JP 2008106932 A JP2008106932 A JP 2008106932A
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Prior art keywords
housing
waterproof member
waterproof
metal plate
opening
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JP2007188606A
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JP4725895B2 (en
Inventor
Yasuhiko Kawasaki
康彦 川崎
Takeshi Baba
健 馬場
Tsutomu Yamaguchi
勉 山口
Toshiyuki Murakami
俊之 村上
Shigeru Kato
茂 加藤
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Casio Hitachi Mobile Communications Co Ltd
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Casio Hitachi Mobile Communications Co Ltd
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Application filed by Casio Hitachi Mobile Communications Co Ltd filed Critical Casio Hitachi Mobile Communications Co Ltd
Priority to JP2007188606A priority Critical patent/JP4725895B2/en
Priority to KR1020070087555A priority patent/KR100877049B1/en
Priority to US11/900,228 priority patent/US7941196B2/en
Priority to CN201110094364.7A priority patent/CN102244998B/en
Priority to CN2007101531436A priority patent/CN101155202B/en
Publication of JP2008106932A publication Critical patent/JP2008106932A/en
Priority to JP2011090527A priority patent/JP5304832B2/en
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Publication of JP4725895B2 publication Critical patent/JP4725895B2/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a waterproof structure which prevents water from penetrating into inside of a case without coming a waterproof member off by vibration or the like. <P>SOLUTION: The waterproof structure of the case is provided with first and second cases 1, 2 and a waterproof member 4 of which a circumferential edge part 43 is disposed about whole circumference between the first and second cases 1, 2. It provides on the second case 2 a recessed part 23 which press fits the circumferential edge part 43 of the waterproof member 4. It provides on the first case 1 a regulation part 13 preventing the circumferential edge part 43 from coming off in position opposed to the circumferential edge part 43 which is press fitted in the recessed part 23 of the waterproof member 4. It provides on the waterproof member 4 a circumferential wall part 42 which stands up toward the first case 1 side by bending from the circumferential edge part 43 to inside direction. It is configured so as to guide the circumferential wall part 42 with the first and second cases 1,2. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、携帯型電子機器等における筐体の防水構造に関する。   The present invention relates to a waterproof structure for a housing in a portable electronic device or the like.

携帯型送信機の防水構造として、分割された二つのケースとの間に防水カバーの周囲端部を配置して、二つのケースにより防水カバーを挟持する構造がある（特許文献１、２参照）。
なお、秤の防水構造として、ケースに設けた凹部状の係合溝に防水ダイヤフラムの端部を圧入して防水を図るものもある（特許文献３参照）。
特開平１１−２８８６３５号公報 特開２００４−３１２６２１号公報 特開２００３−３２２５５６号公報 As a waterproof structure of a portable transmitter, there is a structure in which a peripheral end of a waterproof cover is disposed between two divided cases and the waterproof cover is sandwiched between the two cases (see Patent Documents 1 and 2). .
As a waterproof structure of the balance, there is also a waterproof structure in which an end portion of the waterproof diaphragm is press-fitted into a recessed engagement groove provided in the case (see Patent Document 3).
JP-A-11-288635 JP 2004-31621 A JP 2003-322556 A

しかし、特許文献１、２の構造のように、分割された二つのケースによって防水カバー端部を上下から挟持すると、縦(上下)方向に弾性力が働くようになるため分割されたケースを固定するのに多数のビス、または多数のフック部などが必要となってしまう。
また、特許文献３の構造のように、ケースに設けた凹部状の係合溝に防水ダイヤフラムの端部を圧入しただけでは、防水ダイヤフラムの端部が振動などによって外れてしまい、防水機能が損なわれてしまう恐れがあった。 However, as in the structure of Patent Documents 1 and 2, when the end of the waterproof cover is sandwiched from above and below by two divided cases, the divided case is fixed because the elastic force acts in the vertical (up and down) direction. To do so, a large number of screws or a large number of hooks are required.
Further, as in the structure of Patent Document 3, if the end portion of the waterproof diaphragm is simply press-fitted into the recessed engagement groove provided in the case, the end portion of the waterproof diaphragm is detached due to vibration or the like, and the waterproof function is impaired. There was a risk of getting lost.

本発明の課題は、筐体の防水構造において、分割された筐体の固定が少ないビスなどで容易に行えるとともに、振動などで防水部材が外れることなく、筐体内部に水の進入がしにくい防水構造を提供することである。   The problem of the present invention is that the waterproof structure of the housing can be easily done with a screw with little fixing of the divided housing, and water does not easily enter the housing without removing the waterproof member due to vibration or the like. It is to provide a waterproof structure.

上記目的を達成するため、この発明の第１の観点に係る筐体の防水構造は、
重ね合わせて合体される第１筐体及び第２筐体と、
周縁部が当該第１筐体と第２筐体との間の全周に配置される防水部材と、を備える防水構造であって、
前記第２筐体には、前記防水部材の周縁部を圧入する凹部を設け、
前記第１筐体には、前記防水部材の前記凹部に圧入される前記周縁部と対向する位置に当該周縁部の抜けを防止する規制部を設け、
前記防水部材には、前記周縁部から内部方向に折曲して前記第１筐体側に向かって起立する周壁部を設け、
この周壁部を前記第１筐体及び第２筐体で案内することを特徴とする。 In order to achieve the above object, the waterproof structure of the housing according to the first aspect of the present invention is:
A first housing and a second housing, which are overlapped and united;
A waterproof member provided with a waterproof member disposed on the entire circumference between the first housing and the second housing,
The second housing is provided with a recess for press-fitting the peripheral edge of the waterproof member,
The first housing is provided with a restricting portion that prevents the peripheral portion from coming off at a position facing the peripheral portion that is press-fitted into the concave portion of the waterproof member.
The waterproof member is provided with a peripheral wall portion that bends inward from the peripheral edge portion and rises toward the first housing.
The peripheral wall portion is guided by the first casing and the second casing.

また、前記防水部材は、前記第１筐体と第２筐体との間を覆う膜状である、ことも可能である。   The waterproof member may be in the form of a film that covers the space between the first housing and the second housing.

また、前記第２筐体には、前記防水部材の前記周壁部の端面を支持する支持部を設けることも可能である。   The second housing may be provided with a support portion that supports an end surface of the peripheral wall portion of the waterproof member.

また、前記防水部材の一部分に導光板を装着する装着部を設けることも可能である。   It is also possible to provide a mounting portion for mounting the light guide plate on a part of the waterproof member.

また、前記防水部材の内部側には銀シートまたは金属板を一体成形することも可能である。   In addition, a silver sheet or a metal plate can be integrally formed on the inner side of the waterproof member.

また、上記目的を達成するため、この発明の第２の観点に係る筐体の防水構造は、
第１筐体と、
前記第１筐体に重ね合わせて合体される第２筐体と、
前記第１筐体と前記第２筐体との間の全周に配置される周縁部と、前記周縁部から前記第１筐体側に向かって起立する周壁部とを含み、前記第１筐体と前記第２筐体との間に設けられる、弾性変形可能な材料から形成される板状の防水部材と、を有し、
前記第２筐体は、前記防水部材の周縁部を圧入する凹部を有し、
前記防水部材は、その一部として、前記第２筐体側に張り合わされる金属板を含み、
前記金属板は、その端部より所定距離内側位置で前記第２筐体側に向かって折曲げられ、該折曲げられた位置より若干距離外側位置で前記第１筐体側に向かって折曲げられる、第１フックを有し、前記第１フックの端部は、前記周壁部から突出しており、
前記第２筐体は、前記第１フックと係合可能な第２フックを有する、ことを特徴とする。 In order to achieve the above object, the waterproof structure of the housing according to the second aspect of the present invention is:
A first housing;
A second housing that is superposed on the first housing;
A peripheral portion disposed on the entire circumference between the first casing and the second casing; and a peripheral wall portion rising from the peripheral section toward the first casing. And a plate-shaped waterproof member formed from an elastically deformable material provided between the second housing and the second housing,
The second housing has a recess for press-fitting a peripheral edge of the waterproof member,
The waterproof member includes, as a part thereof, a metal plate attached to the second housing side,
The metal plate is bent toward the second housing at a position a predetermined distance inside from the end, and is bent toward the first housing at a position slightly outside the bent position. A first hook, and an end of the first hook projects from the peripheral wall;
The second housing has a second hook that can be engaged with the first hook.

また、前記防水部材は、前記周壁部から略水平に延設する平面部を有し、
前記金属板は、前記平面部の前記第２筐体側に一体的に設けられる、ことも可能である。 Further, the waterproof member has a flat portion extending substantially horizontally from the peripheral wall portion,
The metal plate may be integrally provided on the second housing side of the planar portion.

また、前記金属板には、第１開口が設けられ、
前記第１筐体には、前記防水部材を挟んで、前記第１開口と対向する位置に、第２開口が設けられている、ことも可能である。 The metal plate is provided with a first opening,
The first casing may be provided with a second opening at a position facing the first opening with the waterproof member interposed therebetween.

また、前記金属板には、第１開口が設けられ、該第１開口には、弾性材料から形成されたシールが嵌め込まれ、
前記シールを露出する第２開口が、前記第１筐体に設けられている、ことも可能である。 The metal plate is provided with a first opening, and a seal formed of an elastic material is fitted into the first opening,
A second opening that exposes the seal may be provided in the first housing.

また、前記第１開口及び前記第２開口は、円形乃至楕円形の開口である、ことも可能である。   In addition, the first opening and the second opening may be circular or elliptical openings.

本発明によれば、縦方向に弾性力が働かず、固定する筐体間に反発力が発生することがないため、少ないビスなどによる固定ができて分割された筐体の固定が容易に行え、且つ防水部材の抜けを防止しているため、振動などによって防水部材が外れることがなく、筐体内部に水の進入がしにくい防水構造を得ることができる。   According to the present invention, since the elastic force does not act in the vertical direction and no repulsive force is generated between the casings to be fixed, the divided casings can be easily fixed by fixing with a small number of screws. Further, since the waterproof member is prevented from coming off, the waterproof member is not detached by vibration or the like, and a waterproof structure in which water does not easily enter the housing can be obtained.

（実施形態１）
以下、図を参照して本発明を実施するための最良の形態を詳細に説明する。
図１は本発明を適用した一実施形態の構成を示すもので、１は第１筐体、２は第２筐体、３は内装品、４は防水部材、５は外装品である。
この実施形態において、防水構造は、折り畳み式携帯電話機の表示側本体を構成する第１筐体１及び第２筐体２に適用したものである。第１筐体１及び第２筐体２の間に収容される内装品３は液晶表示パネル３１及びそのシールドケース３２等により構成される。防水部材４は膜状のゴムパッキンである。この防水部材４の材質としては、ポリブタジエン、ポリアクリロニトリル、ポリクロロプレン、ポリイソプレン等を用いることができる。
外装品５は透明パネル５１の一端側にヒンジピース５２を有して他端側に左右一対のネジ目隠し５３を有している。 (Embodiment 1)
Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to the drawings.
FIG. 1 shows a configuration of an embodiment to which the present invention is applied. 1 is a first housing, 2 is a second housing, 3 is an interior product, 4 is a waterproof member, and 5 is an exterior product.
In this embodiment, the waterproof structure is applied to the first housing 1 and the second housing 2 that constitute the display-side main body of the foldable mobile phone. The interior product 3 accommodated between the first housing 1 and the second housing 2 is composed of a liquid crystal display panel 31, a shield case 32, and the like. The waterproof member 4 is a film-like rubber packing. As a material of the waterproof member 4, polybutadiene, polyacrylonitrile, polychloroprene, polyisoprene, or the like can be used.
The exterior product 5 has a hinge piece 52 on one end side of the transparent panel 51 and a pair of left and right screw blindfolds 53 on the other end side.

なお、表示側本体は、図示しない操作側本体に対し２軸ヒンジ部を介して連結されている。その２軸ヒンジ部により、第１ヒンジ軸回りに表示側本体を操作側本体に対し開いた状態（使用状態）と、第１ヒンジ軸回りに表示側本体を操作側本体に重ねて閉じた折り畳み状態（非使用状態）の他、第２ヒンジ軸回りに表示側本体を１８０度回転させて表示部を表側にした折り畳み状態（カメラ撮影やテレビ視聴できる状態）にすることができる。   The display side main body is connected to an operation side main body (not shown) via a biaxial hinge portion. With the biaxial hinge portion, the display-side body is opened with respect to the operation-side body around the first hinge axis (used state), and the display-side body is folded over the operation-side body and closed around the first hinge axis. In addition to the state (non-use state), the display-side main body can be rotated 180 degrees around the second hinge axis so that the display unit is turned to the front side (camera photography or television viewing state).

具体的には、第１筐体１及び第２筐体２は、液晶表示パネル３１及びシールドケース３２等の内装品３を収容して、四隅部を図示しないネジにより結合される。
そして、第２筐体２の外表面に外装品５が取り付けられる。すなわち、第２筐体２の外表面において、液晶表示パネル３１の表示画面が位置する開口部２１の周囲に透明パネル５１が両面テープ６（図４参照）で貼り付けられるとともに、その一端側のヒンジピース５２及び他端側の左右一対のネジ目隠し５３が同様に図略の両面テープで貼り付けられ、これにより防水が図れている。 Specifically, the first casing 1 and the second casing 2 accommodate the interior parts 3 such as the liquid crystal display panel 31 and the shield case 32, and the four corners are coupled by screws (not shown).
Then, the exterior product 5 is attached to the outer surface of the second housing 2. That is, on the outer surface of the second housing 2, the transparent panel 51 is pasted around the opening 21 where the display screen of the liquid crystal display panel 31 is located with the double-sided tape 6 (see FIG. 4), The hinge piece 52 and a pair of left and right screw blindfolds 53 on the other end side are similarly attached with a double-sided tape (not shown), thereby waterproofing.

防水部材４は、図示のように、液晶表示パネル３１及びシールドケース３２等の内装品３を覆う平面部４１及び周壁部４２を含むとともに、周壁部４２の外周にフランジ状で平行に突出する周縁部４３を含む。
この防水部材４の平面部４１には、図２に示すように、外表面のほぼ中央に凹部による装着部４７が形成され、この装着部４７に導光板７がインサート成型されている。すなわち、防水部材４は透明なゴムで作製されているが、液晶表示パネル３１が高精細である場合には平面部４１のほぼ中央に導光板7をインサートすることで見易い表示にすることができるもので、その成形時に金型において、外表面側に導光板７をセットしてインサート成型されている。
このように、防水部材４の平面部４１に導光板７をインサート成型により一体成形することで、例えば防水部材４に開口窓を設けて導光板を組み付ける場合と比べて防水箇所を削減するともに、その防水施工部の厚み及び部品点数を削減して、防水性能を安定できる。 The waterproof member 4 includes a flat part 41 and a peripheral wall part 42 that cover the interior parts 3 such as the liquid crystal display panel 31 and the shield case 32 as shown in the drawing, and a peripheral edge that protrudes in parallel in a flange shape on the outer periphery of the peripheral wall part 42 Part 43 is included.
As shown in FIG. 2, the waterproof portion 4 has a flat portion 41 having a recessed portion mounting portion 47 formed substantially at the center of the outer surface. The light guide plate 7 is insert-molded in the mounting portion 47. In other words, the waterproof member 4 is made of transparent rubber, but when the liquid crystal display panel 31 is high definition, the light guide plate 7 is inserted almost at the center of the flat portion 41 to make the display easy to see. Therefore, at the time of molding, the light guide plate 7 is set on the outer surface side of the mold and insert molding is performed.
Thus, by integrally forming the light guide plate 7 on the flat surface portion 41 of the waterproof member 4 by insert molding, for example, the waterproof member 4 is provided with an opening window and the light guide plate is assembled. The waterproof performance can be stabilized by reducing the thickness of the waterproof construction part and the number of parts.

そして、防水部材４の平面部４１の内表面には、そのほぼ全面に電磁シールド８が形成されている。すなわち、成形時に金型において、平面部４１の内表面側に銀シート（または金属板）８をセットしてインサート成型することで、電磁シールド８が形成されている。
このように、防水部材４の平面部４１の内表面に銀シート（または金属板）８をインサート成型して電磁シールド８を一体成形することで、従来は第１筐体１の内表面に施していた銀蒸着等の工程を削減できる。 An electromagnetic shield 8 is formed on almost the entire inner surface of the flat portion 41 of the waterproof member 4. That is, the electromagnetic shield 8 is formed by setting the silver sheet (or metal plate) 8 on the inner surface side of the flat surface portion 41 and performing insert molding in the mold during molding.
As described above, the silver shield (or metal plate) 8 is insert-molded on the inner surface of the flat surface portion 41 of the waterproof member 4 and the electromagnetic shield 8 is integrally formed, so that it is conventionally applied to the inner surface of the first housing 1. Processes such as silver deposition can be reduced.

また、第２筐体２には、その全周に渡って、図３及び図４に示すように、防水部材４の周縁部４３を圧入する凹部２３が形成されるとともに、防水部材４の周壁部４２の端面を支持する面状の支持部２４が形成されている。この凹部２３の左右両側部のほぼ中央に、第１筐体１側に突出する案内部２２が形成されている。
さらに、第２筐体２の左右両側部には、図２に示すように、凹部２３の外周側に位置する一対の係合爪２６が突出して形成されている。 Moreover, as shown in FIG.3 and FIG.4, the 2nd housing | casing 2 is formed with the recessed part 23 which press-fits the peripheral part 43 of the waterproof member 4, and the surrounding wall of the waterproof member 4 over the perimeter. A planar support portion 24 that supports the end surface of the portion 42 is formed. A guide portion 22 that protrudes toward the first housing 1 is formed at substantially the center of the left and right side portions of the recess 23.
Further, as shown in FIG. 2, a pair of engaging claws 26 positioned on the outer peripheral side of the recess 23 are formed on both the left and right sides of the second housing 2 so as to protrude.

そして、第１筐体１には、その全周に渡って、内周部１２が形成されるとともに、その内周部１２の端面で、防水部材４の前記凹部２３に圧入される周縁部４３と対向する位置に当該周縁部の抜けを防止する規制部１３が形成されている。
また、第１筐体１のほぼ中央には、図１に示すように、防水部材４の導光板７に重なってロゴ等を表示した照光部１７が形成されている。
なお、第１筐体１の左右両側部には、第２筐体２の係合爪２６に各々係合する図示しない一対の係合爪が突出して形成されている。 The first casing 1 is formed with an inner peripheral portion 12 over the entire periphery thereof, and a peripheral portion 43 that is press-fitted into the concave portion 23 of the waterproof member 4 at the end face of the inner peripheral portion 12. A restricting portion 13 that prevents the peripheral edge from coming off is formed at a position opposite to.
Further, as shown in FIG. 1, an illuminating unit 17 that displays a logo or the like is formed on the light guide plate 7 of the waterproof member 4 at substantially the center of the first housing 1.
Note that a pair of engagement claws (not shown) that respectively engage with the engagement claws 26 of the second housing 2 protrude from the left and right side portions of the first housing 1.

次に、第１筐体１及び第２筐体２の合体の仕方について説明する。
まず、液晶表示パネル３１及びシールドケース３２等の内装品３を収容した第２筐体２の内部に防水部材４を装着する。すなわち、防水部材４の平面部４１を内装品３に被せて、周壁部４２の両側部を、第２筐体２の案内部２２の外側に被せるとともに、係合爪２６の内側に入れてから、周縁部４３を第２筐体２の凹部２３に圧入する。 Next, how to combine the first housing 1 and the second housing 2 will be described.
First, the waterproof member 4 is attached to the inside of the second housing 2 that houses the interior parts 3 such as the liquid crystal display panel 31 and the shield case 32. That is, the flat part 41 of the waterproof member 4 is put on the interior 3, and both side parts of the peripheral wall part 42 are put on the outside of the guide part 22 of the second housing 2, and after being put inside the engaging claw 26. The peripheral edge 43 is press-fitted into the recess 23 of the second housing 2.

そして、第２筐体２及び防水部材４に第１筐体１を被せる。すなわち、防水部材４の平面部４１に第１筐体１を重ねて、防水部材４の周壁部４２の外側に内周部１２を被せるとともに、防水部材４の周縁部４３に第１筐体１の規制部１３を重ねる。このとき、第２筐体２の左右両側部において、係合爪２６に第１筐体１の係合爪が係合して合体状態となる。その後、第１筐体１及び第２筐体２の四隅部において、図示しないネジにより互いに結合する。   Then, the first housing 1 is put on the second housing 2 and the waterproof member 4. That is, the first casing 1 is overlapped on the flat surface portion 41 of the waterproof member 4 so that the inner peripheral portion 12 is covered on the outer side of the peripheral wall portion 42 of the waterproof member 4, and the first casing 1 is placed on the peripheral portion 43 of the waterproof member 4. The regulation part 13 is overlapped. At this time, the engaging claws of the first housing 1 are engaged with the engaging claws 26 at both the left and right side portions of the second housing 2 to be in a combined state. Thereafter, the four corners of the first housing 1 and the second housing 2 are coupled to each other by screws (not shown).

図３及び図４は防水構造部を示したもので、防水部材４の周縁部４３から内部方向に折曲して第１筐体１側に向かって起立する周壁部４２が、第２筐体２の内周部１２と第１筐体１の左右両側部の案内部２２との間で案内される。そして、防水部材４の周縁部４３が第２筐体２の凹部２３に圧入されるとともに、その周縁部４３が凹部２３と対向する位置において、第１筐体１の規制部１３により押え付けられて抜けが防止されている。さらに、防水部材４の周壁部４２の端面が、第２筐体２の支持部２４によって支持されている。また、防水部材の平面部４１が、第２筐体２の左右両側部の案内部２２によって支持されている。   3 and 4 show the waterproof structure, and the peripheral wall portion 42 that bends inward from the peripheral edge 43 of the waterproof member 4 and rises toward the first housing 1 side is provided in the second housing. It is guided between the two inner peripheral portions 12 and the guide portions 22 on both the left and right sides of the first housing 1. Then, the peripheral edge 43 of the waterproof member 4 is press-fitted into the recess 23 of the second housing 2, and the peripheral edge 43 is pressed by the restriction portion 13 of the first housing 1 at a position facing the recess 23. This prevents it from coming off. Further, the end surface of the peripheral wall portion 42 of the waterproof member 4 is supported by the support portion 24 of the second housing 2. Further, the flat surface portion 41 of the waterproof member is supported by the guide portions 22 on the left and right side portions of the second housing 2.

以上のように、第１筐体１及び第２筐体２の合体工程において、防水部材４を組み込む際には、第１筐体１の左右両側部の案内部２２と第２筐体２の内周部１２がガイドとなって作業を容易に行なうことができる。
また、第２筐体２の両側面部の案内部２２によって、防水部材４の周壁部４２が揺れたりするのを防止ですることができる。
そして、第２筐体２の左右両側部の案内部２２の支持によって、防水部材の平面部４１が揺れたりするのを防止することができる。 As described above, when the waterproof member 4 is assembled in the process of combining the first housing 1 and the second housing 2, the guide portions 22 on both the left and right sides of the first housing 1 and the second housing 2 are combined. The inner peripheral portion 12 can be used as a guide for easy work.
Moreover, it can prevent by the guide part 22 of the both sides | surfaces part of the 2nd housing | casing 2 shaking the surrounding wall part 42 of the waterproof member 4. FIG.
And it can prevent that the plane part 41 of a waterproof member shakes by the support of the guide part 22 of the right-and-left both sides of the 2nd housing | casing 2. FIG.

従って、図４において、従来のような縦（上下）方向に弾性力が働かず、固定する第１筐体１及び第２筐体２間に反発力が発生することがないため、少ないビスなど、実施形態では四本のビスと係合爪等による固定ができて分割された第１筐体１及び第２筐体２の固定が容易に行えるものである。しかも、防水部材４の抜けを防止しているため、振動などによって防水部材４が外れることがなく、確実な防水を図ることができるものである。
また、縦（上下）方向に弾性力が働かない防水構造となり、第１筐体１及び第２筐体２の剛性を必要以上に持たせる必要がないため、筐体の肉厚を少なくして薄型化・小型化を図ることができる。 Therefore, in FIG. 4, the elastic force does not act in the vertical (vertical) direction as in the prior art, and no repulsive force is generated between the first housing 1 and the second housing 2 to be fixed. In the embodiment, the first casing 1 and the second casing 2 which are divided by the four screws and the engaging claws can be easily fixed. In addition, since the waterproof member 4 is prevented from coming off, the waterproof member 4 does not come off due to vibration or the like, and a reliable waterproof can be achieved.
In addition, since the waterproof structure does not work in the vertical (vertical) direction and the first housing 1 and the second housing 2 do not need to have more rigidity than necessary, the thickness of the housing is reduced. Thinning and miniaturization can be achieved.

なお、第２筐体２の内周部１２と第１筐体１の左右両側部の案内部２２との間において、防水部材４の周壁部４２をガイドするだけでなく挟持するように構成すれば、更に防水性が向上するものとなる。   It should be noted that the peripheral wall portion 42 of the waterproof member 4 is not only guided but also sandwiched between the inner peripheral portion 12 of the second housing 2 and the guide portions 22 on both the left and right sides of the first housing 1. In this case, waterproofness is further improved.

また、実施形態では、第１筐体１のほぼ中央の照光部１７において、防水部材４の導光板７からの照光によりロゴ等を表示することができるものとなっている。   In the embodiment, a logo or the like can be displayed by illumination from the light guide plate 7 of the waterproof member 4 in the illumination unit 17 at the substantially center of the first housing 1.

（実施形態２）
本発明の実施形態２に係る筐体の防水構造が図５に示される。実施形態２に係る防水構造は、実施形態１と異なり、防水部材４は、金属板１１０を有する。 (Embodiment 2)
The waterproof structure of the housing according to the second embodiment of the present invention is shown in FIG. Unlike the first embodiment, the waterproof structure according to the second embodiment has a metal plate 110.

金属板１１０は、図５において示されているように、平面視して概ね長方形状をもつ。ただし、当該長方形状のうち、図５中上方の２つの角部、及び、図５中下方の辺の中央部分は切り欠かれている。これにより、金属板１１０は、それぞれ指摘した箇所に、切り欠き部１１０ａ，１１０ａ及び切り欠き部１１０ｂを備え、厚さ１．０〜５．０ｍｍで形成されている。
なお、図５においては、これら切り欠き部１１０ａ，１１０ｂの存在を強調するため、当該切り欠き部が仮に存在しないとした場合における輪郭形状を破線で示している。 As shown in FIG. 5, the metal plate 110 has a substantially rectangular shape in plan view. However, in the rectangular shape, the upper two corners in FIG. 5 and the central part of the lower side in FIG. 5 are cut out. Thereby, the metal plate 110 is provided with the notches 110a and 110a and the notches 110b at the indicated points, and is formed with a thickness of 1.0 to 5.0 mm.
In FIG. 5, in order to emphasize the presence of the notches 110a and 110b, the contour shape when the notches are not present is indicated by broken lines.

この金属板１１０には、図５中左下部分に示すように、概略長方形状の窓５１１が形成されている。窓５１１は、当該金属板１１０に段差を設けるべく形成された凸部５１４の形成領域内に形成されている。   As shown in the lower left part in FIG. 5, a substantially rectangular window 511 is formed on the metal plate 110. The window 511 is formed in the formation region of the convex portion 514 formed to provide a step in the metal plate 110.

また、この金属板１１０には、前述の凸部５１４と同様の、凸部５１２，５１３が形成されている。これら凸部５１２，５１３は、例えば、筐体内部に組み込まれる電気回路基板に含まれる比較的肉厚となる諸要素の配置等に応じて設けることができる。つまり、これら凸部５１２，５１３が金属板１１０のどこに設置されるべきかは、当該要素の配置等に応じて自由に設定されうる（かかる事情は、前記凸部５１４についてもあてはまる。）。
凸部５１２乃至５１４の存在により、単純平坦な金属板よりも、金属板１１０の強度が増加する。 Further, the metal plate 110 is provided with convex portions 512 and 513 similar to the above-described convex portion 514. These convex portions 512 and 513 can be provided in accordance with, for example, the arrangement of various relatively thick elements included in the electric circuit board incorporated in the housing. That is, where the convex portions 512 and 513 should be placed on the metal plate 110 can be freely set according to the arrangement of the elements or the like (this situation also applies to the convex portion 514).
Due to the presence of the convex portions 512 to 514, the strength of the metal plate 110 is increased as compared with a simple flat metal plate.

金属板１１０は更に、図５及び図６に示されるように、その左右の側縁部に係合壁１１１をもつ。この係合壁１１１は、当該金属板１１０の大部分を占める平板状部からみて、垂直に立ち上がる。かかる係合壁１１１は、シート状パッキン１１２との接合を図る際に利用される。金属板１１０は、例えばステンレス鋼等の錆び難い金属により作られると好適である。   Further, as shown in FIGS. 5 and 6, the metal plate 110 has engagement walls 111 at the left and right side edges. The engagement wall 111 rises vertically when viewed from the flat plate-like portion that occupies most of the metal plate 110. The engagement wall 111 is used when joining the sheet-like packing 112. The metal plate 110 is preferably made of a metal that hardly rusts, such as stainless steel.

一方、シート状パッキン１１２は、図５において示されるように、平面視して、金属板１１０の外形形状よりも一回り大きい概略長方形状をもつ。より詳細に言えば、シート状パッキン１１２の幅方向（図５中左右方向）の長さについては、金属板１１０のそれとほぼ同一であり、当該幅方向と直交する方向の長さについては、金属板１１０のそれよりも大きい。シート状パッキン１１２は、金属板１１０が配置される開口部５２９をもつ。開口部５２９は、金属板１１０よりも少し小さく、金属板１１０の周縁部がシート状パッキン１１２の開口部５２９の周縁部に接合される。   On the other hand, the sheet-like packing 112 has a substantially rectangular shape that is slightly larger than the outer shape of the metal plate 110 in plan view, as shown in FIG. More specifically, the length of the sheet-like packing 112 in the width direction (the left-right direction in FIG. 5) is substantially the same as that of the metal plate 110, and the length in the direction perpendicular to the width direction is metal. It is larger than that of the plate 110. The sheet packing 112 has an opening 529 in which the metal plate 110 is disposed. The opening 529 is slightly smaller than the metal plate 110, and the peripheral edge of the metal plate 110 is joined to the peripheral edge of the opening 529 of the sheet-like packing 112.

また、シート状パッキン１１２は、その輪郭を取り巻くようにして周縁部４３をもつ。この周縁部４３は、開口部５２９に金属板１１０が配置されると、当該金属板１１０の平板状部から垂直に立ち上がる。なお、この周縁部４３の立ち上がる方向は、前記係合壁１１１の立ち上がる方向と同じである（図６参照）。また、周縁部４３の中間部の幅は、凹部２３の幅よりも広い（図６参照）。図６に示されるように、凹部２３は、凹部２３の内部に突起を挿入できる窪み２３１を有する。そして、周縁部４３は、該窪み２３１と係合可能な突起４４１を有する。この突起４４１と窪み２３１とが係合することにより、周縁部４３が凹部２３から抜け出ることを防止する。周縁部４３は、浸水を防止する主要な役割を担う。   The sheet-like packing 112 has a peripheral edge 43 so as to surround its outline. When the metal plate 110 is disposed in the opening 529, the peripheral edge 43 rises vertically from the flat plate-like portion of the metal plate 110. The rising direction of the peripheral edge 43 is the same as the rising direction of the engagement wall 111 (see FIG. 6). Moreover, the width | variety of the intermediate part of the peripheral part 43 is wider than the width | variety of the recessed part 23 (refer FIG. 6). As shown in FIG. 6, the recess 23 has a recess 231 into which a protrusion can be inserted inside the recess 23. The peripheral portion 43 has a protrusion 441 that can be engaged with the recess 231. By engaging the projection 441 and the recess 231, the peripheral edge 43 is prevented from coming out of the recess 23. The peripheral portion 43 plays a major role in preventing water immersion.

さらに、シート状パッキン１１２は、帯状突起部５２２及び６つの排水溝５２２Ｇをもつ。帯状突起部５２２は、図５に示すように、金属板１１０の図中上側の形状とほぼ同一である。なお、帯状突起部５２２の突出方向は、周縁部４３の立ち上がる方向とは逆である。   Further, the sheet-like packing 112 has a belt-like protrusion 522 and six drain grooves 522G. As shown in FIG. 5, the belt-like protrusion 522 has substantially the same shape as the upper side of the metal plate 110 in the drawing. Note that the protruding direction of the belt-like protrusion 522 is opposite to the direction in which the peripheral edge 43 rises.

排水溝５２２Ｇは、この帯状突起部５２２の一部が、４箇所において断絶されることによって形成されている。金属板１１０が存在する場所と、帯状突起部５２２を挟んで当該場所と反対側の場所（図５では、図中上方に位置する場所）とは、排水溝５２２Ｇを通して空間的に連通する。   The drainage groove 522G is formed by cutting off a part of the belt-like protrusion 522 at four locations. A place where the metal plate 110 is present and a place opposite to the place with the band-shaped protrusion 522 interposed therebetween (in FIG. 5, a place located in the upper part in the drawing) communicate spatially through the drainage groove 522G.

シート状パッキン１１２は、弾性樹脂（例えば、シリコンゴム、ポリエチレン系エラストマー樹脂等）から作られる。周縁部４３に関しては、一定程度以上の弾性変形能力をもつ樹脂、特に好適にはシリコンゴムから作られるのが好ましい。   The sheet packing 112 is made of an elastic resin (for example, silicon rubber, polyethylene elastomer resin, etc.). The peripheral portion 43 is preferably made of a resin having an elastic deformation capability of a certain degree or more, particularly preferably silicon rubber.

図５に示されるように、シート状パッキン１１２の開口部５２９に対して、金属板１１０が配置されることで、防水部材４が形成される。   As shown in FIG. 5, the waterproof member 4 is formed by disposing the metal plate 110 with respect to the opening 529 of the sheet packing 112.

この場合、これらシート状パッキン１１２及び金属板１１０を接合するためには、インサート成形法を用いるのが最適手段の一つである。ここでインサート成形とは、所定の形状をもつ金型内に金属素材等を挿入した後、樹脂を注入することで、当該金属素材と樹脂素材とを一体化した成形品を得る方法である。本実施形態に関して言えば、金属素材として、予め図５に示すような形状に形作った金属板１１０を用意するとともに、金型の形状を、図５に示すようなシート状パッキン１１２の形状にほぼ合致するように形作る。金型内における係合壁１１１の配置関係を適切に定める。すると、図６に示すように、係合壁１１１とシート状パッキン１１２とが接合して、金属板１１０とシート状パッキン１１２との間の接合がなされる。   In this case, in order to join the sheet packing 112 and the metal plate 110, one of the optimum means is to use an insert molding method. Here, the insert molding is a method of obtaining a molded product in which the metal material and the resin material are integrated by injecting a resin after inserting a metal material or the like into a mold having a predetermined shape. Regarding the present embodiment, as a metal material, a metal plate 110 previously formed into a shape as shown in FIG. 5 is prepared, and the shape of the mold is substantially the same as the shape of the sheet-like packing 112 as shown in FIG. Shape to match. The arrangement relationship of the engagement walls 111 in the mold is appropriately determined. Then, as shown in FIG. 6, the engagement wall 111 and the sheet-like packing 112 are joined, and the metal plate 110 and the sheet-like packing 112 are joined.

次に、防水部材４を例えば携帯電話に組み付けする際の態様等について説明する。
まず、防水部材４を、電気回路基板等が設置済みである携帯電話の第２筐体２の内面の上に載置する。周縁部４３は、第２筐体２の凹部２３の上に位置付けられるように載置し、周縁部４３を指で凹部２３に押し込む（図６参照）。これにより、周縁部４３の側面に設けられた突起４４１が、凹部２３の横壁に設けられた窪み２３１に入り込み、該突起４４１と該窪み２３１とが係合する。そして、周縁部４３が凹部２３から抜けにくくなる。続いて、第１筐体１を、防水部材４の上に重ねるように配置する。そして、第１筐体１の、周壁部４２に当接する位置に設けられる封止用突起１３６が、前記周縁部４３及び凹部２３の上に位置付けられる。 Next, the mode etc. at the time of assembling the waterproof member 4 to a mobile phone will be described.
First, the waterproof member 4 is placed on the inner surface of the second casing 2 of the mobile phone on which an electric circuit board or the like has been installed. The peripheral portion 43 is placed so as to be positioned on the concave portion 23 of the second housing 2, and the peripheral portion 43 is pushed into the concave portion 23 with a finger (see FIG. 6). Thereby, the protrusion 441 provided on the side surface of the peripheral edge 43 enters the recess 231 provided on the lateral wall of the recess 23, and the protrusion 441 and the recess 231 are engaged. Then, the peripheral edge 43 is difficult to be removed from the recess 23. Subsequently, the first housing 1 is disposed so as to overlap the waterproof member 4. Then, a sealing protrusion 136 provided at a position of the first housing 1 in contact with the peripheral wall portion 42 is positioned on the peripheral edge portion 43 and the concave portion 23.

そして、この状態で、第１筐体１と第２筐体２とをネジ止めする。これにより、封止用突起１３６は、周縁部４３を凹部２３に更に押し込む。そして封止用突起１３６は、周縁部４３が凹部２３から浮き上がったり外れたりすることを防止する。周縁部４３には、図６に示す矢印の方向に力（第１の力）が作用する。   In this state, the first housing 1 and the second housing 2 are screwed. As a result, the sealing protrusion 136 further pushes the peripheral edge 43 into the recess 23. Then, the sealing protrusion 136 prevents the peripheral edge 43 from being lifted or removed from the recess 23. A force (first force) acts on the peripheral portion 43 in the direction of the arrow shown in FIG.

周縁部４３の図中上端では、当該周縁部４３を下に押さえ付けるような力が働く。この結果、第１の力は凹部２３の底によって受け止められ、且つ、周縁部４３は上述のように弾性変形可能な樹脂材料から作られているので、当該周縁部４３の下端付近では、図６に示すように、径方向へ拡散するかのような力が作用する。周縁部４３が径方向に圧縮される結果、周縁部４３と凹部２３との間の密着性は高められる。   At the upper end of the peripheral portion 43 in the figure, a force that presses the peripheral portion 43 downward acts. As a result, the first force is received by the bottom of the recess 23, and the peripheral portion 43 is made of the elastically deformable resin material as described above. Therefore, in the vicinity of the lower end of the peripheral portion 43, FIG. As shown in FIG. 3, a force acts as if it is diffused in the radial direction. As a result of the peripheral edge 43 being compressed in the radial direction, the adhesion between the peripheral edge 43 and the recess 23 is enhanced.

周縁部４３が弾性変形可能な樹脂材料から作られ、周縁部４３の幅が、凹部２３の幅にほぼ同一であり、かつ、この凹部２３の幅が、封止用突起１３６の幅よりも大きいと、径方向の圧縮作用が最も好適に発揮される。ここでいう「幅」はすべて、図６でいえば、図中左右方向の長さを意味する。なお、凹部２３の幅と封止用突起１３６の幅とは、ほぼ同一でもよい。   The peripheral edge 43 is made of an elastically deformable resin material, the width of the peripheral edge 43 is substantially the same as the width of the recess 23, and the width of the recess 23 is larger than the width of the sealing protrusion 136. And the compression action in the radial direction is most suitably exhibited. The “width” here means the length in the horizontal direction in the drawing in FIG. The width of the recess 23 and the width of the sealing protrusion 136 may be substantially the same.

従って、本実施形態に係る筐体の防水構造によれば、周縁部４３と凹部２３とが密着しているため極めて実効的な防水機能を有する。即ち、周縁部４３は、封止用突起１３６の力を受ける結果、下端部が、径方向に拡散し、且つ、それによって凹部２３の側壁から径方向に圧縮される反作用力を受ける。周縁部４３と凹部２３とは、このようにして密着性が高められるから、実効的に防水される。   Therefore, according to the waterproof structure of the housing according to the present embodiment, the peripheral portion 43 and the concave portion 23 are in close contact with each other, so that it has a very effective waterproof function. That is, as a result of receiving the force of the sealing protrusion 136, the peripheral edge portion 43 receives a reaction force in which the lower end portion diffuses in the radial direction and is thereby compressed in the radial direction from the side wall of the recess 23. The peripheral edge 43 and the recess 23 are effectively waterproofed because the adhesion is thus improved.

凹部２３の側壁から径方向に圧縮される反作用力を受けるから、第２筐体２が捻れ等の変形を受けとしても、周縁部４３と凹部２３との密着性が維持さる。つまり、本実施形態においては、第２筐体２が変形しても、浸水の生じるおそれは極めて低い。   Since the reaction force compressed in the radial direction is received from the side wall of the recess 23, the adhesion between the peripheral edge 43 and the recess 23 is maintained even if the second housing 2 is subjected to deformation such as twisting. That is, in the present embodiment, even if the second housing 2 is deformed, there is a very low possibility that water will be flooded.

また、本実施形態では、第１筐体１の組み付け作業は容易である。なぜなら、防水部材４は、全体的に見て板状の形態であり、比較的剛性が大きく変形し難いからである。防水部材４の組み付け作業は、周縁部４３を凹部２３に位置させ、周縁部４３を凹部２３に押し込むだけだから、特別な注意を払う必要はない。本実施形態の優位性は、従来広くみられた、比較的変形容易な環状のパッキンの場合と比較した場合、より際立つ。
また、同じ理由から、防水部材４の組み付け作業は容易であり、量産される携帯電話の歩留まりのばらつきが生じるおそれも殆どなく、筐体の防水が維持される。 Moreover, in this embodiment, the assembly | attachment operation | work of the 1st housing | casing 1 is easy. This is because the waterproof member 4 has a plate-like form as a whole and has relatively large rigidity and is difficult to be deformed. The assembling work of the waterproof member 4 is merely required to place the peripheral edge portion 43 in the concave portion 23 and push the peripheral edge portion 43 into the concave portion 23, so that it is not necessary to pay special attention. The superiority of this embodiment is more conspicuous when compared with the case of an annular packing that has been widely used and is relatively easily deformable.
For the same reason, the work of assembling the waterproof member 4 is easy, and there is almost no risk of variations in yield of mass-produced mobile phones, and the waterproofness of the housing is maintained.

さらに、本実施形態においては、防水部材４が金属板１１０を備えているため、防水部材４の全体剛性が向上し防水部材４全体を薄型にできる。
以上のように、金属板１１０があるから、防水部材４あるいは第１筐体１を薄くし、ひいては携帯電話全体を小型にする。更には、筐体の組み付け作業を容易にする。
金属板１１０に凸部５１３乃至５１４が形成されていることにより、当該金属板１１０の強度は高い。そのため、防水部材４全体の剛性が、維持・向上する。 Furthermore, in the present embodiment, since the waterproof member 4 includes the metal plate 110, the overall rigidity of the waterproof member 4 is improved and the entire waterproof member 4 can be made thin.
As described above, since the metal plate 110 is provided, the waterproof member 4 or the first housing 1 is thinned, and thus the entire mobile phone is reduced in size. Furthermore, the assembly work of the housing is facilitated.
Since the convex portions 513 to 514 are formed on the metal plate 110, the strength of the metal plate 110 is high. Therefore, the rigidity of the waterproof member 4 as a whole is maintained and improved.

次に、金属板１１０はシールド機能を有する。即ち、防水部材４の近傍に、例えば電気回路基板が当該防水部材４に対向するように配置されることにより、金属板１１０は、これに対する、又は、これから発するノイズを遮蔽できる。
従って、本実施形態に係る携帯電話は、ノイズ等の影響を受けず、より正確に動作する。なお、金属板１１０は、適当な手段によって接地されることも可能である。 Next, the metal plate 110 has a shielding function. That is, by arranging the electric circuit board in the vicinity of the waterproof member 4 so as to face the waterproof member 4, for example, the metal plate 110 can shield the noise generated or generated therefrom.
Therefore, the mobile phone according to the present embodiment operates more accurately without being affected by noise or the like. The metal plate 110 can be grounded by an appropriate means.

（実施形態３）
本発明の実施形態３に係る筐体の防水構造の断面が図７に示される。実施形態３に係る防水構造は、実施形態１と異なり、周壁部４２から筐体内側かつ略水平に延設する位置に金属板１１０が設けられる。この金属板１１０は、ステンレスで形成されている。金属板１１０は厚さ１．０〜５．０ｍｍで形成されている。 (Embodiment 3)
FIG. 7 shows a cross section of the waterproof structure of the housing according to the third embodiment of the present invention. Unlike the first embodiment, the waterproof structure according to the third embodiment is provided with a metal plate 110 at a position extending from the peripheral wall 42 to the inside of the housing and substantially horizontally. The metal plate 110 is made of stainless steel. The metal plate 110 is formed with a thickness of 1.0 to 5.0 mm.

この金属板１１０は、その端部１１４より所定距離内側位置１１５で第２筐体２側に向かって折曲げられ、該折曲げられた位置１１５より若干距離外側位置１１６で第１筐体１側に向かって折曲げられる、第１フック１２０を有する。この第１フック１２０の端部１２１は、周壁部４２から所定距離だけ突出している。   The metal plate 110 is bent toward the second housing 2 side at a predetermined distance inner position 115 from the end portion 114, and is slightly closer to the first housing 1 side at a position 116 slightly outside the bent position 115. The first hook 120 is bent toward the front. The end portion 121 of the first hook 120 protrudes from the peripheral wall portion 42 by a predetermined distance.

第２筐体２には、筐体外側にある第１凸状体２８と、筐体内側にある第２凸状体２９との間に設けられている凹部２３が形成されている。図７に示すように、この第１凸状体２８の突出している先端は、鈎状形状の第２フック１３０を形成している。   The second casing 2 is formed with a recess 23 provided between a first convex body 28 on the outer side of the casing and a second convex body 29 on the inner side of the casing. As shown in FIG. 7, the protruding tip of the first convex body 28 forms a hook-shaped second hook 130.

図７に矢印で示されるように、この第２フック１３０と第１フック１２０とが係合することで、防水部材４が第２筐体２から外れることを防止する。   As shown by an arrow in FIG. 7, the waterproof member 4 is prevented from being detached from the second housing 2 by the engagement of the second hook 130 and the first hook 120.

次に、実施形態３に係る防水構造において、第１筐体１及び第２筐体２の合体の仕方について説明する。ただし、実施形態１に係る防水構造における合体の仕方と共通するところについては省略する。
まず、内装品３を収容した第２筐体２の内部に防水部材４を装着する。すなわち、周縁部４３を第２筐体２の凹部２３に圧入するとともに、周壁部４２から突出している第１フック１２０を第２フック１３０に係合させる。第１フック１２０を第２フック１３０に係合させるには、第１フック１２０の端部１２１を筐体内側に若干付勢した状態で防水部材４を第２筐体２に押し込む。 Next, how the first casing 1 and the second casing 2 are combined in the waterproof structure according to the third embodiment will be described. However, the points common to the combination method in the waterproof structure according to the first embodiment are omitted.
First, the waterproof member 4 is attached to the inside of the second housing 2 in which the interior product 3 is accommodated. That is, the peripheral edge 43 is press-fitted into the recess 23 of the second housing 2, and the first hook 120 protruding from the peripheral wall 42 is engaged with the second hook 130. In order to engage the first hook 120 with the second hook 130, the waterproof member 4 is pushed into the second housing 2 with the end 121 of the first hook 120 slightly biased toward the inside of the housing.

そして、第２筐体２及び防水部材４に第１筐体１を被せる。その後、第１筐体１及び第２筐体２の四隅部において、図示しないネジにより互いに結合する。   Then, the first housing 1 is put on the second housing 2 and the waterproof member 4. Thereafter, the four corners of the first housing 1 and the second housing 2 are coupled to each other by screws (not shown).

そして、防水部材４の周壁部４２の内側端部４４が、第２筐体２の第２凸状体２９によって支持される。   The inner end portion 44 of the peripheral wall portion 42 of the waterproof member 4 is supported by the second convex body 29 of the second housing 2.

以上のように、第１筐体１及び第２筐体２の合体工程において、防水部材４の組み込み作業は、防水部材４の周壁部４２から突出している第１フック１２０を、第２筐体２の第１凸状体２８の先端に設けられている第２フック１３０に係合させるだけなので、容易に行なうことができる。
また、第１フック１２０と第２フック１３０とが係合しているから、防水部材４が第２筐体２から外れることは起こりにくい。
そして、第１フック１２０の端部１２１は金属の弾力により筐体外側に付勢され、その端部１２１の筐体外側への付勢力は第２フック１３０の面１３１により受け止められるから、防水部材４が左右に揺れたりするのを防止することができる。 As described above, in the process of combining the first housing 1 and the second housing 2, the assembling work of the waterproof member 4 is performed by attaching the first hook 120 protruding from the peripheral wall portion 42 of the waterproof member 4 to the second housing. Since it is only engaged with the 2nd hook 130 provided in the front-end | tip of the 2nd 1st convex body 28, it can carry out easily.
In addition, since the first hook 120 and the second hook 130 are engaged, the waterproof member 4 is unlikely to come off the second housing 2.
Since the end 121 of the first hook 120 is urged to the outside of the housing by the elasticity of the metal, and the urging force of the end 121 to the outside of the housing is received by the surface 131 of the second hook 130, the waterproof member 4 can be prevented from swaying from side to side.

従って、従来のような第１筐体１及び第２筐体２間に反発力が発生することがないため、少ないビスなどで第１筐体１及び第２筐体２の固定が容易に行える。しかも、防水部材４の抜けを防止しているため、振動などによって防水部材４が外れることがなく、確実な防水を図ることができるものである。
また、縦（上下）方向に弾性力が働かない防水構造となり、第１筐体１及び第２筐体２の剛性を必要以上に持たせる必要がないため、筐体の肉厚を少なくして薄型化・小型化を図ることができる。 Therefore, since no repulsive force is generated between the first casing 1 and the second casing 2 as in the prior art, the first casing 1 and the second casing 2 can be easily fixed with a small number of screws. . In addition, since the waterproof member 4 is prevented from coming off, the waterproof member 4 does not come off due to vibration or the like, and a reliable waterproof can be achieved.
In addition, since the waterproof structure does not work in the vertical (vertical) direction and the first housing 1 and the second housing 2 do not need to have more rigidity than necessary, the thickness of the housing is reduced. Thinning and miniaturization can be achieved.

（実施形態４）
実施形態４では、実施形態３と異なり、図８に示されるように、防水部材４は、周壁部４２から筐体内側かつ略水平に延設する平面部４１を含む。そして、金属板１１０は、平面部４１の第２筐体２側に一体的に設けられている。このように構成することで、防水部材４は、その平面部４１で第１筐体１と弾性的に密着することができる。 (Embodiment 4)
In the fourth embodiment, unlike the third embodiment, as shown in FIG. 8, the waterproof member 4 includes a flat portion 41 extending from the peripheral wall portion 42 to the inside of the housing and substantially horizontally. The metal plate 110 is integrally provided on the second housing 2 side of the flat portion 41. With this configuration, the waterproof member 4 can be elastically adhered to the first housing 1 at the flat surface portion 41.

（実施形態５）
実施形態５では、実施形態３及び４と異なり、筐体内部の圧力の高低の影響による筐体の変形・ひび割れ等を起こりにくくする、圧力影響緩和のための構造が設けられている。
この圧力影響緩和のための構造は、図９に示されるように、金属板１１０の中央部に設けられた第１開口１４０と、防水部材４を挟み、第１筐体１の第１開口１４０と対向する位置に設けられた第２開口１５０と、第１開口１４０と第２開口１５０との間に位置し、外気に対して露出している平面部４１の露出部分４１１と、から構成される。第１開口１４０は断面が円形の開口である。第２開口１５０も、断面が第１開口１４０と同一直径の円形の開口である。断面が円形の開口であることにより、該開口からの亀裂を発生しにくくすることができる。 (Embodiment 5)
In the fifth embodiment, unlike the third and fourth embodiments, there is provided a structure for reducing the influence of pressure, which makes it difficult to cause deformation or cracking of the casing due to the effect of high or low pressure inside the casing.
As shown in FIG. 9, the structure for reducing the influence of pressure is such that the first opening 140 provided in the central portion of the metal plate 110 and the waterproof member 4 are sandwiched between the first opening 140 of the first housing 1. And an exposed portion 411 of the flat portion 41 which is located between the first opening 140 and the second opening 150 and is exposed to the outside air. The The first opening 140 is an opening having a circular cross section. The second opening 150 is also a circular opening having a cross section having the same diameter as the first opening 140. Since the cross section is a circular opening, cracks from the opening can be made difficult to occur.

携帯電話等の持ち運び可能な電子機器は、極寒の場所、灼熱の場所等種々な環境の場所に携帯されうる。かかる場合、筐体内の圧力が上昇若しくは下降することで、筐体内部の構造が力を受け、その結果筐体に変形・ひび割れ等が生じるおそれがある。筐体にひび割れ等が生じるとそこから外部からの水分が侵入して防水構造が阻害される。
しかしながら、実施形態５のように、圧力影響緩和のための構造が設けられていると、例えば外気温が高い場合は、第１開口１４０と第２開口１５０との間に位置する平面部４１の露出部分４１１が、筐体外側に膨張するから、筐体内部の圧力の上昇を防止することができる。これにより、筐体にひび割れ等を生じさせにくくすることができる。そのため、本実施形態に係る筐体の防水構造を維持することができる。 Portable electronic devices such as mobile phones can be carried in places of various environments such as extremely cold places and hot places. In such a case, when the pressure in the housing rises or falls, the structure inside the housing receives a force, and as a result, the housing may be deformed or cracked. If a crack or the like occurs in the housing, moisture from the outside enters the housing and the waterproof structure is hindered.
However, when the structure for reducing the pressure influence is provided as in the fifth embodiment, for example, when the outside air temperature is high, the planar portion 41 located between the first opening 140 and the second opening 150 Since the exposed portion 411 expands to the outside of the housing, an increase in pressure inside the housing can be prevented. Thereby, it can be made hard to produce a crack etc. in a case. Therefore, the waterproof structure of the housing according to the present embodiment can be maintained.

（実施形態６）
実施形態６においても圧力影響緩和のための構造が設けられているが、その構造は実施形態５と異なる。図１０に示すように、実施形態６では、圧力影響緩和のための構造は、金属板１１０の中央部に設けられた第１開口１４０と、第１開口１４０と重なる位置に第１筐体１に設けられた第２開口１５０と、第１開口１４０に嵌め込まれた弾性材料から形成されたシール１６０と、から構成される。シール１６０の材質としては、ポリブタジエン、ポリアクリロニトリル、ポリクロロプレン、ポリイソプレン等を用いることができる。なお、シール１６０は、第２開口１５０から水分が侵入しないように、第１開口１４０に隙間無く嵌め込まれている。 (Embodiment 6)
Also in the sixth embodiment, a structure for reducing the influence of pressure is provided, but the structure is different from that of the fifth embodiment. As shown in FIG. 10, in the sixth embodiment, the structure for reducing the effect of pressure has a first opening 140 provided at the center of the metal plate 110 and a first housing 1 at a position overlapping the first opening 140. And a seal 160 formed of an elastic material fitted into the first opening 140. As a material of the seal 160, polybutadiene, polyacrylonitrile, polychloroprene, polyisoprene, or the like can be used. The seal 160 is fitted in the first opening 140 without any gap so that moisture does not enter from the second opening 150.

防水部材４に平面部４１は設けられていない。図１０に示すように、防水部材４は、第１フック１２０を有する金属板１１０と、金属板１１０の端部に設けられた周壁部４２及び周縁部４３と、から形成される。平面部４１を設けないことにより簡易に防水部材４を作成できる。   The flat part 41 is not provided in the waterproof member 4. As shown in FIG. 10, the waterproof member 4 is formed by a metal plate 110 having a first hook 120, and a peripheral wall portion 42 and a peripheral edge portion 43 provided at the end of the metal plate 110. By not providing the flat surface portion 41, the waterproof member 4 can be easily created.

実施形態６おいても、例えば外気温が高い場合は、シール１６０が、筐体外側に膨張するから、筐体内部の圧力の上昇を防止することができる。これにより、筐体にひび割れ等を生じさせにくくすることができる。   Also in the sixth embodiment, for example, when the outside air temperature is high, the seal 160 expands to the outside of the housing, so that an increase in pressure inside the housing can be prevented. Thereby, it can be made hard to produce a crack etc. in a case.

なお、以上の実施形態においては、携帯電話機としたが、本発明はこれに限定されるものではなく、電卓、電子辞書、クロック、ウォッチ、カメラ、ＰＤＡ、ウェアラブルパソコンなどの電子機器であっても良い。
また、筐体及び防水部材の形状等も任意であり、その他、具体的な細部構造等についても適宜に変更可能であることは勿論である。例えば、液晶表示パネルやＬＥＤなどの表示装置と対応する防水部材４の一部を透明にしても良い。また、第１筐体１も透明にして、実施形態のように防水部材４の内部側に電磁シールド（銀シートまたは金属板）８を設けることで、筐体のスケルトンに対応することができる。
また、実施形態のように防水部材が透明なゴムで作製されている場合は導光板をインサートしなくともよい。例えば、表示装置の文字サイズが大きい場合やバックライトの光量が十分な場合、さらにＬＥＤなどを用いている場合には導光板は不要となる。 In the above embodiment, the cellular phone is used. However, the present invention is not limited to this, and may be an electronic device such as a calculator, an electronic dictionary, a clock, a watch, a camera, a PDA, or a wearable personal computer. good.
Further, the shape of the housing and the waterproof member are arbitrary, and it is needless to say that other specific detailed structures can be appropriately changed. For example, a part of the waterproof member 4 corresponding to a display device such as a liquid crystal display panel or an LED may be transparent. Further, the first casing 1 is also made transparent, and an electromagnetic shield (silver sheet or metal plate) 8 is provided on the inner side of the waterproof member 4 as in the embodiment, so that it can correspond to the skeleton of the casing.
Further, when the waterproof member is made of transparent rubber as in the embodiment, the light guide plate may not be inserted. For example, when the character size of the display device is large, when the amount of light from the backlight is sufficient, or when LEDs are used, the light guide plate is not necessary.

上述の実施形態１では、防水部材４は、周縁部４３と、周壁部４２と、平面部４１とを有して構成される膜状であった。もっとも防水部材４は、平面部４１を有さないで構成する略リング状体とすることも可能である。   In the above-described first embodiment, the waterproof member 4 has a film shape including the peripheral edge portion 43, the peripheral wall portion 42, and the flat surface portion 41. But the waterproof member 4 can also be made into the substantially ring-shaped body comprised without having the plane part 41. FIG.

上述の実施形態では、第１開口１４０及び第２開口１５０は、断面が円形の開口であった。もっともこれに限定されない。断面が楕円形の開口を用いることもできる。また、断面が、三角形、正方形、長方形、五角形、六角形等の多角形の開口を用いることも可能である。   In the above-described embodiment, the first opening 140 and the second opening 150 are openings having a circular cross section. However, it is not limited to this. An opening having an elliptical cross section can also be used. It is also possible to use a polygonal opening such as a triangle, square, rectangle, pentagon, or hexagon in cross section.

上述の実施形態では、第１開口１４０は金属板１１０の中央部に設けられ、第２開口１５０は第１筐体１の中央部に設けられた。もっともこれに限定されない。第１開口１４０は金属板１１０の中央部以外の場所に設けることも可能であり、例えば金属板１１０の端部に設けることも可能である。また、第２開口１５０も第１筐体１の中央部以外の場所に設けることも可能であり、例えば第１筐体１の端部に設けることも可能である。   In the above-described embodiment, the first opening 140 is provided in the central portion of the metal plate 110, and the second opening 150 is provided in the central portion of the first housing 1. However, it is not limited to this. The first opening 140 can also be provided at a location other than the central portion of the metal plate 110, for example, at the end of the metal plate 110. The second opening 150 can also be provided at a place other than the central portion of the first housing 1, for example, at the end of the first housing 1.

本発明を適用した実施形態１の構成を示すもので、第１及び第２筐体と防水部材等の分解斜視図である。BRIEF DESCRIPTION OF THE DRAWINGS The structure of Embodiment 1 to which this invention is applied is shown, and it is a disassembled perspective view of a 1st and 2nd housing | casing and a waterproof member. 図１の第２筐体に内装品を組み込んで防水部材とともに示した分解斜視図である。It is the disassembled perspective view which incorporated the interior goods into the 2nd housing | casing of FIG. 1, and was shown with the waterproof member. 第１及び第２筐体に防水部材等を組み付けた一部破断の斜視図である。It is a partially broken perspective view which assembled | attached the waterproof member etc. to the 1st and 2nd housing | casing. 図３の矢印Ａ部の拡大断面図である。It is an expanded sectional view of the arrow A part of FIG. 防水板を構成する、板状パッキン及び金属板を分解して示す斜視図である。It is a perspective view which decomposes | disassembles and shows the plate-shaped packing and metal plate which comprise a waterproof board. 第２筐体の凹部に防水部材の周縁部が嵌められた状態、及びその防水部材に対して封止用突起が及ぼす力の様子を示す説明図である。It is explanatory drawing which shows the state of the state which the peripheral part of the waterproof member was fitted in the recessed part of the 2nd housing | casing, and the mode of the force which the protrusion for sealing exerts on the waterproof member. 実施形態３に係る防水構造において、金属板と第１筐体とが接している、拡大断面図である。FIG. 6 is an enlarged cross-sectional view in which the metal plate and the first housing are in contact with each other in the waterproof structure according to the third embodiment. 実施形態４に係る防水構造において、金属板が弾性部材の平面部を介して第１筐体と合わせられている、拡大断面図である。In the waterproof structure which concerns on Embodiment 4, it is an expanded sectional view with which the metal plate was match | combined with the 1st housing | casing via the plane part of the elastic member. 実施形態５に係る防水構造において、弾性部材の平面部が外気に露出している、拡大断面図である。In the waterproof structure which concerns on Embodiment 5, it is an expanded sectional view by which the plane part of an elastic member is exposed to external air. 実施形態６に係る防水構造において、弾性部材の開口部にシールが嵌められている、拡大断面図である。In the waterproof structure which concerns on Embodiment 6, it is an expanded sectional view by which the seal | sticker is fitted by the opening part of the elastic member.

符号の説明Explanation of symbols

１…第１筐体、２…第２筐体、３…内装品、４…防水部材、５…外装品、６…両面テープ、７…導光板、８…電磁シールド（銀シートまたは金属板）、１２…内周部、１３…規制部、１７…照光部、２２…案内部、２３…凹部、２４…支持部、２６…係合爪、２８…第１凸状体、２９…第２凸状体、４１…平面部、４２…周壁部、４３…周縁部、４７…装着部、５１…透明パネル、５２…ヒンジピース、５３…ネジ目隠し、１１０…金属板、１２０…第１フック、１３０…第２フック、１４０…第１開口、１５０…第２開口、１６０…シール、２３１…窪み、４４１…突起 DESCRIPTION OF SYMBOLS 1 ... 1st housing | casing, 2 ... 2nd housing | casing, 3 ... Interior goods, 4 ... Waterproofing member, 5 ... Exterior goods, 6 ... Double-sided tape, 7 ... Light guide plate, 8 ... Electromagnetic shield (silver sheet or metal plate) , 12 ... inner peripheral part, 13 ... regulating part, 17 ... illumination part, 22 ... guide part, 23 ... concave part, 24 ... support part, 26 ... engaging claw, 28 ... first convex body, 29 ... second convex part 41, flat surface portion, 42 ... peripheral wall portion, 43 ... peripheral edge portion, 47 ... mounting portion, 51 ... transparent panel, 52 ... hinge piece, 53 ... screw concealment, 110 ... metal plate, 120 ... first hook, 130 ... 2nd hook, 140 ... 1st opening, 150 ... 2nd opening, 160 ... Seal, 231 ... Recess, 441 ... Projection

Claims (10)

重ね合わせて合体される第１筐体及び第２筐体と、
周縁部が当該第１筐体と第２筐体との間の全周に配置される防水部材と、を備える防水構造であって、
前記第２筐体には、前記防水部材の周縁部を圧入する凹部を設け、
前記第１筐体には、前記防水部材の前記凹部に圧入される前記周縁部と対向する位置に当該周縁部の抜けを防止する規制部を設け、
前記防水部材には、前記周縁部から内部方向に折曲して前記第１筐体側に向かって起立する周壁部を設け、
この周壁部を前記第１筐体及び第２筐体で案内することを特徴とする筐体の防水構造。 A first housing and a second housing, which are overlapped and united;
A waterproof member provided with a waterproof member disposed on the entire circumference between the first housing and the second housing,
The second housing is provided with a recess for press-fitting the peripheral edge of the waterproof member,
The first housing is provided with a restricting portion that prevents the peripheral portion from coming off at a position facing the peripheral portion that is press-fitted into the concave portion of the waterproof member.
The waterproof member is provided with a peripheral wall portion that bends inward from the peripheral edge portion and rises toward the first housing.
A waterproof structure of a casing, wherein the peripheral wall portion is guided by the first casing and the second casing. 前記防水部材は、前記第１筐体と第２筐体との間を覆う膜状である、
ことを特徴とする請求項１記載の筐体の防水構造。 The waterproof member is a film that covers a space between the first housing and the second housing.
The waterproof structure for a housing according to claim 1. 前記第２筐体には、前記防水部材の前記周壁部の端面を支持する支持部を設けることを特徴とする請求項１又は２に記載の筐体の防水構造。   The waterproof structure of the housing according to claim 1, wherein the second housing is provided with a support portion that supports an end surface of the peripheral wall portion of the waterproof member. 前記防水部材の一部分に導光板を装着する装着部を設けることを特徴とする請求項１乃至３のいずれか１項に記載の筐体の防水構造。   The waterproof structure for a housing according to any one of claims 1 to 3, wherein a mounting portion for mounting a light guide plate is provided on a part of the waterproof member. 前記防水部材の内部側には銀シートまたは金属板を一体成形することを特徴とする請求項１乃至４のいずれか１項に記載の筐体の防水構造。   The waterproof structure for a housing according to any one of claims 1 to 4, wherein a silver sheet or a metal plate is integrally formed on an inner side of the waterproof member. 第１筐体と、
前記第１筐体に重ね合わせて合体される第２筐体と、
前記第１筐体と前記第２筐体との間の全周に配置される周縁部と、前記周縁部から前記第１筐体側に向かって起立する周壁部とを含み、前記第１筐体と前記第２筐体との間に設けられる、弾性変形可能な材料から形成される板状の防水部材と、を有し、
前記第２筐体は、前記防水部材の周縁部を圧入する凹部を有し、
前記防水部材は、その一部として、前記周壁部から略水平に延設する位置に設けられる金属板を含み、
前記金属板は、その端部より所定距離内側位置で前記第２筐体側に向かって折曲げられ、該折曲げられた位置より若干距離外側位置で前記第１筐体側に向かって折曲げられる、第１フックを有し、前記第１フックの端部は、前記周壁部から突出しており、
前記第２筐体は、前記第１フックと係合可能な第２フックを有する、
ことを特徴とする筐体の防水構造。 A first housing;
A second housing that is superposed on the first housing;
A peripheral portion disposed on the entire circumference between the first casing and the second casing; and a peripheral wall portion rising from the peripheral section toward the first casing. And a plate-shaped waterproof member formed from an elastically deformable material provided between the second housing and the second housing,
The second housing has a recess for press-fitting a peripheral edge of the waterproof member,
The waterproof member includes, as a part thereof, a metal plate provided at a position extending substantially horizontally from the peripheral wall portion,
The metal plate is bent toward the second housing at a position a predetermined distance inside from the end, and is bent toward the first housing at a position slightly outside the bent position. A first hook, and an end of the first hook projects from the peripheral wall;
The second housing has a second hook engageable with the first hook,
The waterproof structure of the housing | casing characterized by the above-mentioned. 前記防水部材は、前記周壁部から略水平に延設する平面部を有し、
前記金属板は、前記平面部の前記第２筐体側に一体的に設けられる、
ことを特徴とする請求項６記載の筐体の防水構造。 The waterproof member has a flat portion extending substantially horizontally from the peripheral wall portion,
The metal plate is integrally provided on the second housing side of the planar portion.
The waterproof structure for a housing according to claim 6. 前記金属板には、第１開口が設けられ、
前記第１筐体には、前記防水部材を挟んで、前記第１開口と対向する位置に、第２開口が設けられている、
ことを特徴とする請求項７記載の筐体の防水構造。 The metal plate is provided with a first opening,
The first housing is provided with a second opening at a position facing the first opening with the waterproof member interposed therebetween.
The waterproof structure for a housing according to claim 7. 前記金属板には、第１開口が設けられ、該第１開口には、弾性材料から形成されたシールが嵌め込まれ、
前記シールを露出する第２開口が、前記第１筐体に設けられている、
ことを特徴とする請求項６記載の筐体の防水構造。 The metal plate is provided with a first opening, and a seal formed of an elastic material is fitted into the first opening,
A second opening exposing the seal is provided in the first housing;
The waterproof structure for a housing according to claim 6. 前記第１開口及び前記第２開口は、円形乃至楕円形の開口である、
ことを特徴とする請求項８又は９に記載の筐体の防水構造。 The first opening and the second opening are circular or elliptical openings,
The waterproof structure for a housing according to claim 8 or 9, wherein
JP2007188606A 2006-09-28 2007-07-19 Waterproof structure of the housing Expired - Fee Related JP4725895B2 (en)

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